Research on Wireless Sensor Network Security Location Based on Received Signal Strength Indicator Sybil Attack

Table 2

The values of λ and in different condition.

Environmental conditions	Path attenuation index λ	Deviation
Playground	2.7 < λ < 3.4	1.55 <  < 4.12
Corridor	1.9 < λ < 2.2	1.37 <  < 3.32
Laboratory	1.4 < λ < 2.2	2.39 <  < 3.46
Alley	2.1 < λ < 3.0	2.19 <  < 4.47
Patio	2.8 < λ < 3.8	1.00 <  < 3.03
Balcony	1.4 < λ < 2.4	2.00 <  < 4.00
Road	3.3 < λ < 3.7	2.97 <  < 4.27
Grassland	4.6 < λ < 5.1	1.67 <  < 2.23